package com.gitee.cui.springcloud.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * 全局日志过滤器
 *
 * @author cuiqingqiang
 * @version 1.0
 * @date 2022-03-12 20:14
 **/
@Component
@Slf4j
public class MyLogGatewayFilter implements GlobalFilter, Ordered {
	@Override
	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
		log.info("******** come in MyLogGatewayFilter********");
		String uname = exchange.getRequest().getQueryParams().getFirst("uname");
		if (uname == null) {
			log.info("********用户名为null，非法用户");
			exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
			return exchange.getResponse().setComplete();
		}
		return chain.filter(exchange);
	}

	@Override
	public int getOrder() {
		return 0;
	}
}
